It is rare, but I may have to play it by tuning except A=440Hz. (e.g., A=442Hz)
Using a function of C3, is it possible to change the tuning of all instruments in a lump ?
If you have them in a rack, you can have rack states change tuning on some plugins. If you look at the list of host automations, you will sometimes see master tuning. You just check it, tune your plugin using the master tuner on the plugin’s GUI, and then save it as a rack state with a name like “442.” I haven’t checked all my plugins to see if this works, but I know it does with Arturia’s Arp2600 vst. There are a lot of presets in that plugin that need to have the master tuning adjusted, and this is how I do it.
- Paul
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Hi, bartok2112
Thank you for your replay. I see, this method can surely change 440Hz and 442Hz by the tuning of the rack.
An acoustic piano was tuned A=442Hz in the live house which I went for the first time.
So I had to change the tuning of all racks in a great hurry.
From such an experience, I came to think about a method to change the tuning of all racks using a global parameter to adapt to any tuning.
What about using an audio pitch-shifter vst inside a master-rack? 
Not very nice, but very fast to change…
Looks like a difficult proposition:
- Cantabile itself does not generate sounds; it just connects plugins and routes MIDI and audio between them
- on the MIDI side, there is no way to address tuning; on the audio side, the only way for Cantabile to do this would be to insert a pitch shifting plugin; but this is a pretty dirty approach with quite a bit of audio degradation
- Not all plugins provide a way to actually change their master tuning, and even if they do, the specific parameter is addressed differently (some have this as part of their settings, independent of patches, others incorporate this parameter in patches). Also, the scaling of the parameter isn’t the same across all plugins. Long story short: there is no standardized way for Cantabile to automatically control plugin tuning.
Essentially, it does come down to manually adapting tuning in all your plugins - a pretty awkward proposition, depending on the number of instruments in your setup.
Or just live with the difference in tunings - what would you do with an accordion in such a situation? 
Cheers,
Torsten
I agree, that this would be useful - even if only for strange geeks like us.
Today I’ve noticed, that Mainstage does have a master-setting for tuning.
Of course I have no idea how they are doing that, but we (at our show) use it to play in 442.
Especially since there are loads of plugins that have no general tuning-option like Sampletank and nearly every SoftSynth.
Back in the day I used to use the varispeed on an ADAT to shift the wordclock of the samplers etc.
Bit of a PITA - but it worked !
I’ve noticed a ±5% clock rate slider in RME drivers, but have only played with it. It certainly sounds smooth and will only work when the clock source is internal.